It gives me something to do with my hands when I'm nervous.

当我紧张时，它给了我一些可以用手做的事情。

I have something to do now, see you later.

我现在有事，一会儿见。

They start to do something to prepare dinner.

他们开始做某事来准备晚餐。

She wants to do something to help those in need.

她想做某事来帮助那些有需要的人。

He gets antsy if he doesn't have something to do.

如果他没有事情做，他会变得坐立不安。

Every morning, I start to do something to stay awake.

每天早晨，我开始做某事来保持清醒。

He strives to do something to become a better person.

他努力做某事来成为更好的人。

We all want to do something to improve the environment.

我们都想做某事来改善环境。

The kids start to do something to finish their homework.

孩子们开始做某事来完成他们的作业。

They want to do something to change the current situation.

他们想做某事来改变现状。